Cushion|Lab Grown|IGI

1.48ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG816615830

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG816615830

Diamond specifications and retailer prices

From $432 USD
As of October 30, 2026
Save $2,088 USD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,980 USD at Rare Carat · As of October 19, 2026
View at Rare Carat

About this 1.48ct lab-grown cushion diamond

This 1.48ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816615830 or 816615830. Listed at 16 retailers as of October 30, 2026, with a 483% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.48
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816615830
Dimensions8.19 × 5.73 × 3.87 mm
L/W Ratio1.43
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.19 mm5.73 mm1.48 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816615830
Side View
Table 62.0%Crown 33.2°Girdle: STK-THKPavilion 35.8°Culet: NoneDepth 67.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $2,135 USD|Low: $432 USD|High: $3,995 USD|Avg: $1,254 USD|-1.4%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 31, 2026
Retailer 5$432 USD
Retailer 15$478 USD
Retailer 14$725 USD
Retailer 4$759 USD
Retailer 10$760 USD
Retailer 11$821 USD
Retailer 2$858 USD
Retailer 13$1,144 USD
Retailer 3$1,147 USD
Retailer 9$1,165 USD
Retailer 6$1,524 USD
Retailer 7$1,574 USD
Retailer 12$1,871 USD
Rare Carat$2,135 USD
Retailer 8$2,520 USD

39 data points across 15 retailers

16 retailers$432 USD to $2,520 USD

A
Cheapest Retailer
-
$432 USD
Final sale: no returns
A
Retailer 2
-
$478 USD
View
A
Retailer 3
-
$725 USD
View
A
Retailer 4
-
$759 USD
View
A
Retailer 5
-
$760 USD
€724 EUR
View
A
Retailer 6
-
$821 USD
ZAR 13,269 ZAR
View
A
Retailer 7
-
$858 USD
£676 GBP
View
A
Retailer 8
-
$1,144 USD
View
A
Retailer 9
-
$1,147 USD
View
A
Retailer 10
-
$1,165 USD
A$1,792 AUD
View
B+
Retailer 11
-
$1,524 USD
SGD 2,059 SGD
View
B+
Retailer 12
-
$1,574 USD
View
B+
Retailer 13
-
$1,871 USD
£1,473 GBP
View
Retailer 14
-
$2,135 USD
View
Price last confirmed 12 days ago
B+
Retailer 15
-
$2,520 USD
View
Most Expensive
Rare Carat
271A-660_l_794626393 · Oct 19
$3,980 USD
View
Price last confirmed 12 days ago
15 more retailers have this diamond
Prices start from $432 USDSave up to $2,088 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.48ct Cushion
$432 USD